1. Filatov V. P. Tissue therapy in ophthalmology // American Review of Soviet Medicine. – 1944. – №2. – P. 53 – 66. 2. Blagoveshchensk A. V. Biochemical factors of natural selection in plants // Journal of General Biology. – 1945. – №6. – P. 217 – 234. 3. Blagoveshchensk A. V. Biogenic stimulants in agriculture // Priroda. – 1955. – 7. – P. 43 – 47. 4. Blagoveshchensk A. V. Biogenic stimulants and biochemical nature of their action // Bulletin Main Botanical Garden. – 1956. Vol. 25. – P. 79 – 86. 5. Herve J. J. Biostimulants, a new concept for the future; prospects offered by the chemistry of synthesis and biotechnology. Comptes Rendus Academic Agriculture France. – 1994. – Vol. 80. – P. 91–102. 6. Du Jardin, P. Plant biostimulants: Definition, concept, main categories and regulation // Scientia Horticulture. – 2015. – Vol. 196. – P. 3 – 14. 7. Sproul T.W., Cheng P.C., Dykstra M.L. and Pierce S.K. A role for MHC class II antigen processing in B cell development // International Reviews of Immunology. – 2000. – №19(2-3). – P. 139 – 155. 8. Зерокс фунгицид и бактерицид контактного действия на основе коллоидного серебра // Совместная инновационная разработка группы компаний “Агрохимпром” и ученых МГУ имени М.В.Ломоносова. – Москва, 2016. – 15 с. 9. Дала тажрибаларини ўтказиш услублари. ЎзПИТИ. – Тошкент, 2007. – 147 б. 10. Доспехов Б.А. Методика полевого опыта – Москва: Агропромиздат, 1985. – 347 с. 11. Ertani A., Schiavon M., Muscolo A. and Nardi S. Alfalfa plant-derived biostimulant stimulate short-term growth of salt stressed Zea mays L. plants // Plant and Soil, 2013. – Vol. 364, №1/2. – P. 145 – 158.